Ink cartridge



FIG. 1 is a front elevation view of our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a bottom perspective view thereof;

FIG. 8 is a top perspective view thereof;

FIG. 9 is a cross-sectional view taken along line 9—9 on FIG. 6;

FIG. 10 is a cross-sectional view taken along line 10—10 on FIG. 6;

FIG. 11 is an enlarged cross-sectional view taken along line 11—11 on FIG. 6;

FIG. 12 is a cross-sectional view taken along line 12—12 on FIG. 6;

FIG. 13 is a cross-sectional view taken along line 13—13 on FIG. 6; and,

FIG. 14 is an enlarged sectional view taken on line 14—14 on FIG. 6. 

The ornamental design for an ink cartridge, as shown and described. 